JP3291843B2 - 映像信号の黒レベル再生装置 - Google Patents

映像信号の黒レベル再生装置

Info

Publication number
JP3291843B2
JP3291843B2 JP16558493A JP16558493A JP3291843B2 JP 3291843 B2 JP3291843 B2 JP 3291843B2 JP 16558493 A JP16558493 A JP 16558493A JP 16558493 A JP16558493 A JP 16558493A JP 3291843 B2 JP3291843 B2 JP 3291843B2
Authority
JP
Japan
Prior art keywords
level
black
video signal
signal
cathode ray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP16558493A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0723254A (ja
Inventor
孝彦 田村
由美子 水戸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP16558493A priority Critical patent/JP3291843B2/ja
Priority to US08/269,071 priority patent/US5455634A/en
Priority to EP94304901A priority patent/EP0633690B1/de
Priority to DE69416043T priority patent/DE69416043T2/de
Priority to KR1019940015892A priority patent/KR100282505B1/ko
Priority to MYPI94001737A priority patent/MY111275A/en
Priority to CN94108325A priority patent/CN1042485C/zh
Publication of JPH0723254A publication Critical patent/JPH0723254A/ja
Application granted granted Critical
Publication of JP3291843B2 publication Critical patent/JP3291843B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/20Circuitry for controlling amplitude response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
JP16558493A 1993-07-05 1993-07-05 映像信号の黒レベル再生装置 Expired - Lifetime JP3291843B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP16558493A JP3291843B2 (ja) 1993-07-05 1993-07-05 映像信号の黒レベル再生装置
US08/269,071 US5455634A (en) 1993-07-05 1994-06-30 Dark level restoring circuit for television receiver
DE69416043T DE69416043T2 (de) 1993-07-05 1994-07-04 Schaltung zum Wiederherstellen des Schwarzwertes für einen Fernsehempfänger
KR1019940015892A KR100282505B1 (ko) 1993-07-05 1994-07-04 영상신호의흑레벨재생장치
EP94304901A EP0633690B1 (de) 1993-07-05 1994-07-04 Schaltung zum Wiederherstellen des Schwarzwertes für einen Fernsehempfänger
MYPI94001737A MY111275A (en) 1993-07-05 1994-07-04 Dark level restoring circuit for television receiver
CN94108325A CN1042485C (zh) 1993-07-05 1994-07-05 电视接收机的黑电平恢复电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16558493A JP3291843B2 (ja) 1993-07-05 1993-07-05 映像信号の黒レベル再生装置

Publications (2)

Publication Number Publication Date
JPH0723254A JPH0723254A (ja) 1995-01-24
JP3291843B2 true JP3291843B2 (ja) 2002-06-17

Family

ID=15815137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16558493A Expired - Lifetime JP3291843B2 (ja) 1993-07-05 1993-07-05 映像信号の黒レベル再生装置

Country Status (7)

Country Link
US (1) US5455634A (de)
EP (1) EP0633690B1 (de)
JP (1) JP3291843B2 (de)
KR (1) KR100282505B1 (de)
CN (1) CN1042485C (de)
DE (1) DE69416043T2 (de)
MY (1) MY111275A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3429842B2 (ja) * 1994-04-15 2003-07-28 松下電器産業株式会社 映像信号の画像情報検出装置
US6975351B2 (en) * 1996-04-26 2005-12-13 Canon Kabushiki Kaisha Apparatus and system for camera head determination in an image sensing system
US6518998B1 (en) * 1998-06-09 2003-02-11 Integra Medical Image quality by automatically changing the black level of a video signal
JP2001022331A (ja) * 1999-07-05 2001-01-26 Alps Electric Co Ltd 画像表示装置
KR100421016B1 (ko) * 2001-10-13 2004-03-04 삼성전자주식회사 비디오 신호의 흑신장 제어 장치 및 방법
JP3729157B2 (ja) * 2002-06-25 2005-12-21 ソニー株式会社 映像信号処理装置及び方法
CN100466467C (zh) * 2004-12-02 2009-03-04 上海交通大学 具有自动增益控制功能的音量自动限幅装置
CN106855583B (zh) * 2015-12-09 2020-02-21 比亚迪股份有限公司 用于图像传感器的方法和装置
KR101986208B1 (ko) 2017-07-18 2019-06-05 씨앤씨개발 주식회사 도로안전블록

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028226A (en) * 1975-11-12 1977-06-07 The Lubrizol Corporation Method of rerefining oil with recovery of useful organic additives
JPS6043972A (ja) * 1983-08-22 1985-03-08 Sony Corp 映像の黒レベル再生回路
JPS61139174A (ja) * 1984-12-11 1986-06-26 Sony Corp 倍速変換装置
JP3072900B2 (ja) * 1988-08-10 2000-08-07 ソニー株式会社 テレビジョン受像機のブランキング回路
JP2533393B2 (ja) * 1990-02-16 1996-09-11 シャープ株式会社 Ntsc―hdコンバ―タ
JP3211969B2 (ja) * 1991-06-27 2001-09-25 ソニー株式会社 表示装置

Also Published As

Publication number Publication date
KR950004902A (ko) 1995-02-18
EP0633690A2 (de) 1995-01-11
CN1104012A (zh) 1995-06-21
CN1042485C (zh) 1999-03-10
MY111275A (en) 1999-10-30
DE69416043T2 (de) 1999-06-24
EP0633690B1 (de) 1999-01-20
EP0633690A3 (de) 1995-04-26
DE69416043D1 (de) 1999-03-04
US5455634A (en) 1995-10-03
KR100282505B1 (ko) 2001-02-15
JPH0723254A (ja) 1995-01-24

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